<?php echo $ajax->form(array('type' => 'post','options' => array('model'=>'Blacklist','update' => $div, 'url' => array('controller' => 'blacklists','action' => 'save')))); ?>
  <input id="BlacklistRunid" type="hidden" value="<?php echo $runid; ?>" name="data[Blacklist][runid]">
  <input id="BlacklistMacid" type="hidden" value="<?php echo $macid; ?>" name="data[Blacklist][macid]">
  <input id="Blacklistproblemid" type="hidden" value="<?php echo $pid; ?>" name="data[Blacklist][problemid]">
  <input id="BlacklistPR" type="text" name="data[Blacklist][PR]" style="width:100px">
  <input type="submit" value="ok">
</form>